JPS6146864B2 - - Google Patents

Info

Publication number
JPS6146864B2
JPS6146864B2 JP56109073A JP10907381A JPS6146864B2 JP S6146864 B2 JPS6146864 B2 JP S6146864B2 JP 56109073 A JP56109073 A JP 56109073A JP 10907381 A JP10907381 A JP 10907381A JP S6146864 B2 JPS6146864 B2 JP S6146864B2
Authority
JP
Japan
Prior art keywords
data
storage memory
memory
parity bit
parity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP56109073A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5812200A (ja
Inventor
Yoshimasa Kagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fanuc Corp
Original Assignee
Fanuc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fanuc Corp filed Critical Fanuc Corp
Priority to JP56109073A priority Critical patent/JPS5812200A/ja
Priority to EP19820303654 priority patent/EP0070184B1/en
Priority to DE8282303654T priority patent/DE3279351D1/de
Publication of JPS5812200A publication Critical patent/JPS5812200A/ja
Publication of JPS6146864B2 publication Critical patent/JPS6146864B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/1032—Simple parity

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
JP56109073A 1981-07-13 1981-07-13 メモリ検査方法 Granted JPS5812200A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56109073A JPS5812200A (ja) 1981-07-13 1981-07-13 メモリ検査方法
EP19820303654 EP0070184B1 (en) 1981-07-13 1982-07-13 A method of testing memory
DE8282303654T DE3279351D1 (en) 1981-07-13 1982-07-13 A method of testing memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56109073A JPS5812200A (ja) 1981-07-13 1981-07-13 メモリ検査方法

Publications (2)

Publication Number Publication Date
JPS5812200A JPS5812200A (ja) 1983-01-24
JPS6146864B2 true JPS6146864B2 (enrdf_load_stackoverflow) 1986-10-16

Family

ID=14500912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56109073A Granted JPS5812200A (ja) 1981-07-13 1981-07-13 メモリ検査方法

Country Status (3)

Country Link
EP (1) EP0070184B1 (enrdf_load_stackoverflow)
JP (1) JPS5812200A (enrdf_load_stackoverflow)
DE (1) DE3279351D1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605363A (ja) * 1983-06-22 1985-01-11 Sharp Corp メモリ内容確認方式
JPS6160124A (ja) * 1984-08-31 1986-03-27 Panafacom Ltd バツフアの制御方式
JPS62109146A (ja) * 1985-11-08 1987-05-20 Mitsubishi Electric Corp ランダムアクセスメモリの異常検出方式
US4958350A (en) * 1988-03-02 1990-09-18 Stardent Computer, Inc. Error detecting/correction code and apparatus
US5717697A (en) * 1990-06-27 1998-02-10 Texas Instruments Incorporated Test circuits and methods for integrated circuit having memory and non-memory circuits by accumulating bits of a particular logic state
FR2698462B1 (fr) * 1992-11-26 1995-01-13 Cit Alcatel Dispositif de traitement des informations de parité pour équipement de réseau temporel asynchrone de communication.
JPH08202578A (ja) * 1995-01-27 1996-08-09 Toshiba Corp 履歴データ管理装置及び管理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117641A (en) * 1978-03-06 1979-09-12 Fujitsu Fanuc Ltd Memory inspecting system
JPS55105897A (en) * 1979-01-31 1980-08-13 Hitachi Koki Co Ltd Memory device
JPS5622300A (en) * 1979-08-01 1981-03-02 Fanuc Ltd Memory check method

Also Published As

Publication number Publication date
JPS5812200A (ja) 1983-01-24
DE3279351D1 (en) 1989-02-16
EP0070184A3 (en) 1985-06-12
EP0070184A2 (en) 1983-01-19
EP0070184B1 (en) 1989-01-11

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